by
Hall, Prentice

Answer

A) 1:2
B) 1:3

Work Step by Step

8,5 - 1 by 11 - 1 = 7.5 by 10 usable area of the paper --- Sketch of painting is 30"w by 22.5"h . Upright paper is 7.5"w by 10"h. The height can fit twice, so the scale is 1:2. Sideways paper is 10"w by 7.5'h. The width and height can fit 3 times, so the scale is 1:3.